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Finding the Fourth Proportional to 33,404.40, 50,106.60 and 11,221.20

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Solution

The fourth proportional to 33,404.40, 50,106.60 and 11,221.20 is: 16,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,404.40 : 50,106.60 = 11,221.20 : x
  2. Step 2: Convert to fraction form
    33,404.40/50,106.60 = 11,221.20/x
  3. Step 3: Cross multiply
    33,404.40x = 50,106.60 × 11,221.20
  4. Step 4: Simplify right side
    33,404.40x = 562,256,179.92
  5. Step 5: Solve for x
    x = 562,256,179.92/33,404.40
  6. Step 6: Final answer
    x = 16,831.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.